patch 9.0.0182: quarto files are not recognized

Problem:    Quarto files are not recognized.
Solution:   Recognize quarto files by the extension. (Jonas Strittmatter,
            closes #10880)

runtime/filetype.vim

@@ -1531,6 +1531,9 @@ au BufNewFile,BufRead *.ptl,*.pyi,SConstruct		   setf python
 " QL
 au BufRead,BufNewFile *.ql,*.qll		setf ql
 
+" Quarto
+au BufRead,BufNewFile *.qmd     setf quarto
+
 " Radiance
 au BufNewFile,BufRead *.rad,*.mat		setf radiance
 

src/testdir/test_filetype.vim

@@ -442,6 +442,7 @@ let s:filename_checks = {
     \ 'python': ['file.py', 'file.pyw', '.pythonstartup', '.pythonrc', 'file.ptl', 'file.pyi', 'SConstruct'],
     \ 'ql': ['file.ql', 'file.qll'],
     \ 'quake': ['anybaseq2/file.cfg', 'anyid1/file.cfg', 'quake3/file.cfg', 'baseq2/file.cfg', 'id1/file.cfg', 'quake1/file.cfg', 'some-baseq2/file.cfg', 'some-id1/file.cfg', 'some-quake1/file.cfg'],
+    \ 'quarto': ['file.qmd'],
     \ 'r': ['file.r'],
     \ 'radiance': ['file.rad', 'file.mat'],
     \ 'raku': ['file.pm6', 'file.p6', 'file.t6', 'file.pod6', 'file.raku', 'file.rakumod', 'file.rakudoc', 'file.rakutest'],

src/version.c

@@ -735,6 +735,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    182,
 /**/
     181,
 /**/